 let CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
 let PARAMS = _getParams();
   
   /**
    * [UUID 前端唯一id生成器]
    * @param {[type]} len   [id长度]
    * @param {[type]} radix [进制数]
    */
export const UUID=function(len, radix) {
     var chars = CHARS, uuid = [], i;
     radix = radix || chars.length;
   
     if (len) {
       // Compact form
       for (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random()*radix];
     } else {
       // rfc4122, version 4 form
       var r;
   
       // rfc4122 requires these characters
       uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
       uuid[14] = '4';
   
       // Fill in random data.  At i==19 set the high bits of clock sequence as
       // per rfc4122, sec. 4.1.5
       for (i = 0; i < 36; i++) {
         if (!uuid[i]) {
           r = 0 | Math.random()*16;
           uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
         }
       }
     }
   
     return uuid.join('');
   };

/**
 * [getParamByName 传递参数名获取对应参数值]
 */
export const getParamByName=function(name){
  return PARAMS[name]
}

/**
 * [_getParams 获取url参数] 多语言切换
 * @return {[Object]} [返回一个key(参数名):val(参数值)的对象]
 */
function _getParams(){
        var search=window.location.hash.slice(1),
            list=search.split("?"),
            length= 0,r={},temp;
        for(var j= 0,l=list.length;j<l;j++){
            temp=list[j].split("=");
            list[j]={};
            if(temp.length==2){r[temp[0]]=temp[1]
            }
        }
        return r
}